TW Series - Single Reduction - Selection Data - Bianchi Cuscinetti

Table 1
TW Series - Load Classification by Application
Agitators
Pure liquids S
Liquids and solids M
Liquids-variable density M
Blowers
Centrifugal S
Lobe M
Vane S
Brewing and Distilling
Bottling machinery S
Brew kettles-continuous duty S
Cookers-continuous duty S
Mash tubs-continuous duty S
Scale hopper-frequent starts M
Can filling machines S
Cane knives (1) M
Car dumpers H
Car pullers M
Clarifiers S
Classifiers M
Clay working machinery
Brick press H
Briquette machine H
Clay working machinery M
Pug mill M
Compressors
Centrifugal S
Lobe M
Reciprocating - multi-cylinder M
Reciprocating - single cylinder H
Conveyors - uniformly loaded or fed
Apron S
Assembly S
Belt S
Bucket S
Chain S
Flight S
Oven S
Screw S
Conveyors - heavy duty
not uniformly fed
Apron M
Assembly M
Belt M
Bucket M
Chain M
Flight M
Live roll *
Oven M
Reciprocating H
Screw M
Shaker H
Crane Drives - not dry dock
Main hoists S
Bridge travel *
Trolley travel *
Crushers
Ore H
Stone H
Service Factors
Table 2 (Service Factor fD )
Sugar (1) M
Dredges
Cable reels M
Conveyors M
Cutter head drives H
Jig drives H
Manoeuvring winches M
Pumps M
Screen drive H
Stackers M
Utility winches M
Dry dock cranes
Main hoist (2)
Auxiliary hoist (2)
Boom, luffing (2)
Rotating, swing or slew (3)
Tracking, drive wheels (4)
Elevators
Bucket - uniform load S
Bucket - heavy load M
Bucket - continuous S
Centrifugal discharge S
Escalators S
Freight M
Gravity discharge S
Man lifts *
Passenger *
Extruders (plastic)
Film S
Sheet S
Coating S
Rods S
Tubing S
Blow moulders M
Pre-plasticiers M
Fans
Centrifugal S
Cooling towers
Induced draft *
Forced draft *
Induced draft M
Large, mine etc. M
Large, industrial M
Light, small diameter S
Feeders
Apron M
Belt M
Disc S
Reciprocating H
Screw M
Food industry
Beef slicer M
Cereal cooker S
Dough mixer M
Meat grinder M
Generators - not welding S
Hammer mills H
Hoists
Heavy duty H
Driven machinery characteristics
Prime mover Duration Steady Medium Highly
(Drive input) Service load impulsive impulsive
Electric, Air &
Hydraulic Motors
or Steam Turbine
(Steady input)
Multi-cylinder I.C.
engine (Medium
impulsive input)
Single-cylinder
I.C. engine (Highly
impulsive input)
Intermittent -
3hrs/day max
3 - 10 over 10
Intermittent -
3hrs/day max
3 - 10 over 10
Intermittent -
3hrs/day max
3 - 10 over 10
0.90
1.00
1.25
1.00
1.25
1.50
1.25
1.50
1.75
1.00
1.25
1.50
1.25
1.50
1.75
1.50
1.75
2.00
Medium duty M
Skip hoist M
Laundry
Washers - reversing M
Tumblers M
Line shafts
Driving processing equipment M
Light S
Other line shafts S
Lumber industry
Barkers, hydraulic, mechanical M
Burner conveyor M
Chain saw and drag saw H
Chain transfer H
Craneway transfer H
De-barking drum H
Edger feed M
Gang feed M
Green chain M
Live rolls H
Log deck H
Log haul-incline H
Log haul-well type H
Log turning device H
Main log conveyor H
Off bearing rolls M
Planer feed chains M
Planer floor chains M
Planer tilting hoist M
Re-saw merry-go-round conveyor M
Roll cases H
Slab conveyor H
Small waste conveyor-belt S
Small waste conveyor-chain M
Sorting table M
Tipple hoist conveyor M
Tipple hoist drive M
Transfer conveyors M
Transfer rolls M
Tray drive M
Trimmer feed M
Waste conveyor M
Machine tools
Bending roll M
Punch press-gear driven H
Notching press-belt drive *
Plate planners H
Tapping machine H
Other machine tools
Main drives M
Auxiliary drives S
Metal mills
Drawn bench carriage
and main drive M
Pinch, dryer and scrubber
rolls, reversing *
Slitters M
Table conveyors nonreversing
group drives M
1.50
1.75
2.00
1.75
2.00
2.25
2.00
2.25
2.50
Maximum number
of starts per hour
5 50 100 300
Starts Factor fs 1.0 1.1 1.15 1.2
RENOLD GEARS. Tel: + 44 (0) 1706 751000 Fax: + 44 (0) 1706 751001 E-Mail: sales@gears.renold.com
16
Individual drives H
Reversing *
Wire drawing and flattening machine M
Wire winding machine M
Mills, rotary type
Ball (1) M
Cement kilns (1) M
Dryers and coolers (1) M
Kilns other than cement M
Pebble (1) M
Rod, plain & wedge bar (1) M
Tumbling barrels H
Mixers
Concrete mixers continuous M
Concrete mixers intermittent M
Constant density S
Variable density M
Oil industry
Chillers M
Oil well pumping *
Paraffin filter press M
Rotary kilns M
Paper mills
Agitators (mixers) M
Barker-auxiliaries hydraulic M
Barker-mechanical H
Barking drum H
Beater and pulper M
Bleacher S
Calenders M
Calenders-super H
Converting machine except
cutters, platers M
Conveyors S
Couch M
Cutters, platers H
Cylinders M
Dryers M
Fell stretcher M
Fell whipper H
Jordans M
Log haul H
Presses M
Pulp machine reel M
Stock chest M
Suction roll M
Washers and thickeners M
Winders M
Printing presses *
Pullers
Barge haul H
Pumps
Centrifugal S
Proportioning M
Reciprocating
single acting:
3 or more cylinders M
double acting:
2 or more cylinders M
single acting: 1 or 2 cylinders *
double acting: single cylinder *
Rotary - gear type S
Rotary - lobe, vane S
Rubber and plastics industries
Crackers (1) H
Laboratory equipment M
Mixed mills (1) H
Refiners (1) M
Rubber calenders (1) M
Rubber mill, 2 on line (1) M
Rubber mill, 3 on line (1) S
Sheeter (1) M
Tyre building machines *
Tyre and tube press openers *
Tubers and strainers (1) M
Warming mills (1) M
Sand muller M
Screens
Air washing S
Rotary, stone or gravel M
Travelling water intake S
Sewage disposal equipment
Bar screens S
Chemical feeders S
Collectors S
Dewatering screws M
Scum breakers M
Slow or rapid mixers M
Thickeners M
Vacuum filters M
Slab pushers M
Steering gear *
Stokers S
Sugar industry
Cane knives (1) M
Crushers (1) M
Mills (1) M
Textile industry
Batchers M
Calenders M
Cards M
Dry cans M
Dryers M
Dyeing machinery M
Looms M
Mangles M
Nappers M
Pads M
Range drives *
Slashers M
Soapers M
Spinners M
Tenter frames M
Washers M
Winders M
Windlass *
S = Steady
M = Medium Impulsive
H = Highly Impulsive
* = Refer to Renold
(1) = Select on 24 hours per day service factor only.
(2) = Use service factor of 1.00 for any duration of service.
(3) = Use service factor of 1.25 for any duration of service.
(4) = Use service factor of 1.50 for any duration of service.
Note
Machinery characteristics and service factors listed in this catalogue
are a guide only. Some applications (e.g. constant power) may
require special considerations. Consult Renold Gears.
Table 3 Factor for Starts/Hours (fS) Table 4 Thermal Service Factor f T
Ambient °C 10 20 30 40 50 60
Temp °F 50 68 86 105 122 140
Factor f t 0.87 1.0 1.16 1.35 1.62 1.97